This is a note to let you know that I've just added the patch titled
cpufreq: qcom-hw: fix dereferencing freed memory 'data'
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
cpufreq-qcom-hw-fix-dereferencing-freed-memory-data.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 73d0d33af7c6a47eadead8a076c9eef57c48ffff
Author: Shawn Guo <shawn.guo@xxxxxxxxxx>
Date: Sun Feb 28 09:33:19 2021 +0800
cpufreq: qcom-hw: fix dereferencing freed memory 'data'
[ Upstream commit 02fc409540303801994d076fcdb7064bd634dbf3 ]
Commit 67fc209b527d ("cpufreq: qcom-hw: drop devm_xxx() calls from
init/exit hooks") introduces an issue of dereferencing freed memory
'data'. Fix it.
Fixes: 67fc209b527d ("cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 2726e77c9e5a..5cdd20e38771 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -368,7 +368,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
error:
kfree(data);
unmap_base:
- iounmap(data->base);
+ iounmap(base);
release_region:
release_mem_region(res->start, resource_size(res));
return ret;
